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Message: <blockquote data-quote="kuijo" data-source="post: 1327028" data-attributes="member: 559846">did you reground ur headunit and make sure everything has a common ground? your amp could be broken or your deck. maybe a bad rca ground on one of them. Id suggest finding a friend with an alpine that can you can switch with and see if its the deck and then switch amps with someone and see if its the amp. You could also try plugging the rcas into the rear preouts ( i assume you have them coming out of the front since the one amp is powering both sub and speakers.)Do you hear the whining out of the rear speakers?I had altenator whine and i replaced my RCA's and it went away and never came back.</blockquote>

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